# A substitute (usually of a person, position or role).# A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate mother.# {{chiefly British - A deputy for a bishop in granting licences for marriage.# {{US _ legal - : A judicial officer of limited jurisdiction, who administers matters of probate and intestate succession and, in some cases, adoptions.# A ''surrogate'' or ''surrogate key'' is a unique identifier for either an entity in the modeled world or an object in the database.# {{computing - Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane.